11-13-2014, 02:51 AM
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Confirmed User
Industry Role:
Join Date: Oct 2010
Location: Portugal
Posts: 1,262
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Quote:
Originally Posted by Mefo
Because itīs (I think) a radio signal they used, not wifi, quite a different method
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right!
Quote:
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The distance a radio wave travels in one second, in a vacuum, is 299,792,458 meters (983,571,056 ft)
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Wikipedia
Quote:
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The speed of light is a little less than 300,000 km per second. At that speed, a beam of light could go around the Earth at the equator more then 7 times in a second.
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qrg.northwestern.edu (...) 2-why-does-it-take-so-long.html
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